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723320

Sigma-Aldrich

Magnesium

in a Sure/Seal™ bottle, turnings, anhydrous tetrahydrofuran 37.5 mmol

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About This Item

Empirical Formula (Hill Notation):
Mg
CAS Number:
7439-95-4
Molecular Weight:
24.31
Beilstein:
4948473
MDL number:
MFCD00085308
UNSPSC Code:
12352300
PubChem Substance ID:
329763997
NACRES:
NA.22

vapor pressure

1 mmHg ( 621 °C)

Quality Level

100

form

turnings

autoignition temp.

950 °F

composition

anhydrous tetrahydrofuran, 37.5 mmol

reaction suitability

reagent type: reductant

resistivity

4.46 μΩ-cm, 20°C

bp

1090 °C (lit.)

mp

648 °C (lit.)

density

1.74 g/mL at 25 °C (lit.)

SMILES string

[Mg]

InChI

1S/Mg

InChI key

FYYHWMGAXLPEAU-UHFFFAOYSA-N

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Application

Magnesium turnings (Mg) can be used to prepare reactive organomagnesium compounds (Grignard reagents, GR) by reacting with alkyl, allyl, vinyl, or aryl halides. These GR reagents are widely used in organic synthesis to produce useful chemical intermediates. Mg can also be used to prepare tetraisopropyl- and tetrabutyl-distibane by dehalogenation of diisopropyl- and dibutyl-antinomy bromide, respectively.

Other Notes

Based on preparing 0.5 M solution of organomagnesium reagent and 40% headspace.

Legal Information

Sure/Seal is a trademark of Sigma-Aldrich Co. LLC

Signal Word

Danger

Hazard Classifications

Acute Tox. 4 Oral - Carc. 2 - Eye Irrit. 2 - Flam. Liq. 2 - Self-heat. 1 - STOT SE 3

Target Organs

Respiratory system

Supplementary Hazards

EUH018,EUH019

Storage Class Code

4.2 - Pyrophoric and self-heating hazardous materials

WGK

WGK 1

Flash Point(F)

1.4 °F - closed cup

Flash Point(C)

-17.0 °C - closed cup

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Certificates of Analysis (COA)

Lot/Batch Number
05923EH

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Organometallics, 12(7), 2820-2824 (1993)
Mechanical activation of magnesium turnings for the preparation of reactive Grignard reagents
Baker KV, et al.
The Journal of Organic Chemistry, 56(2), 698-703 (1991)
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